查询词典 Fresnel

The scanning hologram of an object is the convolution of the transmittance of the object with the intensity distribution of the Fresnel zone plate and the reconstruction of the hologram is obtained by correlation operation.

该技术通过将物体的光强分布函数与菲涅耳波带板的光强分布函数进行卷积运算来得到物体的扫描全息图，通过相关解卷积的方法来进行扫描全息图的数字重建。

In this model, the noise field in sound shadow region is deduced by applying Huygens-Fresnel principle. It provides a new ideal for deducing the diffraction sound of complicated noise source.

模型中对声影区的声场分布采用惠更斯-菲涅耳原理进行推导计算，给出的理论计算公式可为推导计算其它复杂声源的衍射声提供借鉴。

On the other hand, the use of Fresnel lenses has been the main stream for optical concentrators because of its flexibility.

在其中折射式的菲涅洱透镜是被广为使用的一种聚光镜。

A new annotation is referred to explain the Fresnel's formulation, then some formulations that are about the relationship of the velocity of light in medium and the molecular volume is proposed.

对菲涅尔公式作新的诠释，根据新诠释提出了光媒质中分子体积之和与光速的关系式。

It can be inferred that the focus-variable Fresnel zone lens can be made by changing the index of refraction of material.

据此分析，通过改变透镜材料的折射率，可以制作变焦的菲涅耳波带透镜。

An ultrashort pulsed-laser beam is composed of a series of monochromatic continuous waves. According to Parseval theorem, the time-averaged intensity can be calculated by the sum of the intensity of these monochromatic continuous waves. Then we derive an equation to study Talbot effect of a grating illuminated by an ultrashort pulsed-laser beam.

我们采用了频谱分析法，即把超短脉冲光波看成是由一系列的单色光波组成，根据Parseval定理，光栅Fresnel衍射的平均光强由一系列的单色光波的衍射光强之和而求得，这样我们给出了一种分析光栅在超短脉冲光波照射下泰伯效应特性的方法。

In 1818 Fresnel entered a competition sponsored by French Academy.

1818年菲涅耳参加了法国科学院主办的一次竞赛。

They are provided with red coloured glass and Fresnel lens.

产品带有红色透明玻璃和镜头。

The effects of incident wavelength on diffractive efficiency of Fresnel lens are analyzed.

针对宽带折衍混合光学系统，分析不同入射光波波长对菲涅耳透镜衍射效率的影响。

This article discussed the diamond cutting machining technology, and some Exploration, analysis and discussion are made on machining parameters used in diamond turning process of Fresnel lens and its impact on the element performance.

本文重点阐述了金刚石车削加工技术，并对菲涅尔透镜金刚石车削加工技术中的有关工艺参数及其对工作性能的影响进行了探索、分析和讨论。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。